268958864 has 20 divisors (see below), whose sum is σ = 528248556. Its totient is φ = 132636672.

The previous prime is 268958839. The next prime is 268958867. The reversal of 268958864 is 468859862.

It can be written as a sum of positive squares in 2 ways, for example, as 123032464 + 145926400 = 11092^2 + 12080^2 .

It is not an unprimeable number, because it can be changed into a prime (268958867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113969 + ... + 116304.

Almost surely, 2^268958864 is an apocalyptic number.

It is an amenable number.

268958864 is a deficient number, since it is larger than the sum of its proper divisors (259289692).

268958864 is a wasteful number, since it uses less digits than its factorization.

268958864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230354 (or 230348 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 56.

The square root of 268958864 is about 16399.9653658171. The cubic root of 268958864 is about 645.4985741091.

The spelling of 268958864 in words is "two hundred sixty-eight million, nine hundred fifty-eight thousand, eight hundred sixty-four".